package com.zy.design.observer.v1;

/**
 * @author hugx
 * @create 2018-09-30 10:04
 */
public class Test {
    public static void main(String[] args) {
        Customer customer=new Customer("张三");
        PromotionManager promotionManager=new PromotionManager();
        promotionManager.activity(customer);
    }
}
